Nice surprise with C++11

[Sebastian Huber]

Hello Daniel,

On 30/07/15 17:26, Daniel Gutson wrote:
> On Thu, Jul 30, 2015 at 11:31 AM, Daniel Gutson
> <daniel.gutson at tallertechnologies.com>  wrote:
>> >
>> >El 30/7/2015 11:27, "Joel Sherrill"<joel.sherrill at oarcorp.com>  escribió:
>>> >>
>>> >>
>>> >>
>>> >>On 7/30/2015 9:08 AM, Daniel Gutson wrote:
>>>> >>>
>>>> >>>IOW, I think that the double parens is only for decltype.
>>> >>
>>> >>
>>> >>Historical convention is to put parens around variable names
>>> >>in macros. What type of impact does this have?
>> >
>> >If what I think is correct, then the impact os none since this a bug. But I
>> >will look at it deeper once I arrive to the office in 1h. I will try with
>> >different versions of gcc and clang and look into the C++ standard. So far
>> >the (()) seems to be a decltype only thing, so this would be a frontend bug.
> As I mentioned in the bugzilla, I think this is a bug of the front-end
> (since I could not reproduce
> it in earlier versions of g++ (4.8.4) and clang (3.5)). I already
> asked Ville Voutilainen and Jens Maurer
> (from the C++ Committee) to look into it. I will let you know.

thanks for looking at this issue. Is this really a problem within the 
scope of the standard? The global register variables are GCC specific. 
Is it possible to construct objects without an address via plain C++?

-- 
Sebastian Huber, embedded brains GmbH

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